The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc and powers in the Western Bloc. Historians do not fully agree on the dates, but a common timeframe is the period between 1947, the year the Truman Doctrine was announced, and 1991, the year the Soviet Union collapsed. If you want to make sure this is the right answer for to the link below hope this helps on what ur looking for.http://www.history.com/topics/cold-war/cold-war-history
I'm pretty sure 6 countries participated in the first winter olympics hope this helps
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It helped to guard the secret location of their gold mines.
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The Civil War was fought during the year 1861-1865.
The financial cost of the war was significant, totaling an estimated $5.2 billion.
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